EAW KF550C Specifications

The Forsythe Series KF550 is a high defini-

tion sound reinforcement loudspeaker system

designed for high output sound reinforcement

applications. Its "One Box" design permits ease

transport and idealized driver alignment and

subassembly integration resulting in maximally

flat frequency and phase response. The use of

complex subassemblies provides full horn

loading over its entire operating range for

precise control of coverage and directivity.

The KF550's advanced technology is e

direct result of EAW's unmatched expertise in

"One Box" system design and construction;

after all, EN invented the "One Box" horn

loaded system. By working closely with the

leading sound rental companies throughout

the world, we designed the KF550 for the way

you use professional loudspeakers. You'll find

that its features will make your operation

more efficient and cost effective.

We invite you to compare other systems

and see the performance and features that

set the KF550 apart from all other high

output loudspeaker systems.

We're confident you'll choose the

KF550 "One Box System That Defies

Competition".

Advanced Designed Horn Subassemblies

The Forsythe designed mid and bass horn subassemblies

utilized in the KF550 are the most sophisticated on the

market. They were developed from advanced computer

optimized mathematical models and then are

precisely created with a proprietary polyurethane reinorced

wood construction technique. The final designs are tested for

both acoustical and mechanical performance and any

necessary upgrades are made to the design. Unlike competitive

systems that, at best, approximate a true horn., the KF550's true

mathematical correct horns provide exceptionally smooth air

loaded impedance characteristics. The finished product results

in fidelity that is not only significantly better than any other horn

system but surpasses most vented systems, and unprecedented

output capabilities.

Industry Standard Mid Range Definition

The mid range subassembly in the KF550 is adapted from

EAW's legendary MR-102, the world's most popular horn

loaded mid-bass system. EAW has produced thousands sands

of these mid-bass horns, and they are in daily use in some of

the most demanding professional applications from the

Palladium in New York to the Sun PIaza in Tokyo. The MR102

ior performance. This device eliminates the power response

irregularities that plague all competitive midbass horns by

maintaining proper loading from the mouth right down into

the throat. The result is smooth frequency response on and

off axis, so the sound character of the KF550 is identical

anywhere in its coverage area.

Constant Coverage High Frequency

Subassembly

The KF550C's high frequency subassembly is the new RCF

H9040 horn which offers constant coverage over its entire

operating band` The horn flare configuration has been

maximized to achieve constant coverage without the increased

distortion of competitive designs. To ensure high mechanical

strength and total freedom from resonances, the horn is

constructed of high pressure die cast aluminum alloy with a

minimum thickness of 4 mm.

The H9040's throat accepts all standard two-inch exit

drivers. The TAD 4001 is recommended for use when

extended high frequency performance is required. The JBL

2445 can also be used for less demanding applications.

Efficient Interface to Amplifiers West Signals

The KF550C includes as standard a unique input

arrangement, including a hinged door that reveals a cable

transport compartment with a recessed input termination

panel and wiring barrier strip. The input termination panel

includes two parallel EP Series 8 pin connectors and banana

type test points for each driver in the system. The test points

enable easy testing of individual drivers without the need for

special cabling.

Reliability: The Industry Standard

Constructed from imported 18 ply to the inch cross

grain laminated hardwood with all horn flare reinforced with

high density polyurethane foam, the KF550 utilizes the

technology that has made EAW the world's leading supplier

of high output systems for portable applications. Other

standard KF550 features include black catalyzed polyurethane

chemical coating finish, recessed rattle free metal handles,

slant back with heavy duty castors and vinyl coated

perforated steel speaker grills.

The KF550: Reliability, Performance, Quality, In

Harmony.